Gorman-Rupp Pumps 62E31-B All serial numbers - Manual (Page 8)

60 SERIES PUMPS OM−04020
PAGE B − 2 INSTALLATION
weight of options and customer installed
accessories. Customer installed equipment such
as suction and discharge piping and fittings must
be removed before attempting to lift the pump.
The pump assembly can be seriously
damaged if the cables or chains used to lift
and move the unit are improperly wrapped
around the pump.
For the approximate weight of your pump, refer to
the pump specification data sheet or contact your
Gorman-Rupp distributor or the Gorman-Rupp
Company.
Mounting
Locate the pump in an accessible place as close as
practical to the liquid being pumped. Level mount-
ing is essential for proper operation.
The pump may have to be supported or shimmed
to provide for level operation or to eliminate vibra-
tion.
GROUNDING
To eliminate electrostatic build-up by the liquid be-
ing pumped, it is recommended that the pump be
grounded by attaching the ground wire assembly
to a ground rod. Install the ground rod in accor-
dance with the National Electrical Code and all lo-
cal codes. Be sure the clamp or fastener has made
a tight electrical connection with the rod.
Inspect and test the ground wire assembly
for conductivity. Replace broken or frayed
wire before resuming operation.
SUCTION AND DISCHARGE PIPING
Damage to the pump resulting from debris
in the suction line will not be covered by the
pump warranty. Before connecting the
suction and discharge piping, carefully
check the storage tank and piping for con-
struction debris such as nuts, bolts, wire,
weld slag, and other foreign material. In-
stall a commercially available 80 mesh
screen and a filter in the suction line to pre-
vent debris from entering the pump.
Pump performance is adversely effected by in-
creased suction lift, discharge elevation, and fric-
tion losses. See the performance curve and oper-
ating range shown in the Parts List manual to be
sure your overall application allows the pump to
operate within the safe operation range.
Materials
Either pipe or hose maybe used for suction and
discharge lines; however, the materials must be
compatible with the liquid being pumped. If hose is
used in suction lines, it must be the rigid-wall, rein-
forced type to prevent collapse under suction. Us-
ing piping couplings in suction lines is not recom-
mended.
Line Configuration
Keep suction and discharge lines as straight as
possible to minimize friction losses. Make mini-
mum use of elbows and fittings, which substan-
tially increase friction loss. If elbows are necessary,
use the long-radius type to minimize friction loss.
Connections to Pump
Before tightening a connecting flange, align it ex-
actly with the pump port. Never pull a pipe line into
place by tightening the flange bolts and/or cou-
plings.